Festo Кабели и принадлежности - Manual (Page 81)

6. Diagnostic and error treatment
6−5
Festo P.BE−SPC200−COM−CANDN−EN en 0511a
6.2.2 Fault display of the Mod/Net LED
LED Reaction Operating status Fault treatment
LED is out Ĉ The bus interface of the
SPC200 is not supplied with
current.
Ĉ The SPC200 does not recogĆ
nize any communication on
the bus.
· Check the power supply to
the bus interface/internal
logic.
· Check the physical connecĆ
tion to the bus and the
terminating resistor.
LED flashes
green The SPC200 is ready for data
exchange and is online on the
bus. However, there is no comĆ
munication with a master. It is
possible that the SPC200 is not
yet assigned to a master. · Complete the configuration.
Check/correct the Scan List
of the relevant master.
LED lights up
red Serious communication fault
Ĉ The SPC200 has discovered
too many faulty telegrams on
the bus and no longer parĆ
ticipates in the bus commuĆ
nication. The SPC200 is in
the Bus−Off status.
or
Ĉ The field bus address of the
field bus module has been
assigned twice.
· Bad physical bus connection;
check connection.
· Bus is very faulty; eiminate
faults, check screening/
shield.
· Power supply to the bus has
been interrupted.
· Correct wrong−polarity data
cables of a slave.
· Check/correct baud rate
· Correct field bus address
LED flashes
red Fault can be rectified
Ĉ The SPC200 has recognized
Communication−Time−Out.
Ĉ The SPC200 has not been
addressed for a long time
(Time−Out time).
· Physical bus connection inĆ
terrupted. Check the master
for communication ability.
· Reset the Time−Out status of
the SPC200 by new allocaĆ
tion. Connect the SPC200 to
the bus again.